Let p be the set of polynomials. let a, b, c, and d be elements of psuch that band dare non-zero elements of p. which of the following is true
regarding the sum below?
a. the sum is polynomial
b. the sum is a rational expression
c. the sum is an integer
d. the sum is a rational number

This question awards 100 ! i really don’t want to fail i will also mark you !

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.